Stephan remembered how heavy he felt when he came back from the test. He found it stupid that until now, he couldn't put two and two together. If he was in a dream, he would feel light, easy to move around. Right now, he felt heavy. If he didn't experience that test, he wouldn't have known the feeling.
He was stupid and dumb. In fact, he didn't want to look at her as someone who had no choice but to drag him back. Ernie said that one day or the other, he would come back to Masmoenia. This planet had ownership over its people. It made them come back to it willingly or unwillingly. He was part of that world.
She also left him with a mana reserve that would go for years, maybe more than decades if he refrained from using mana. Ernie didn't know about the antidote but he was confident she must have prepared it. He was also confident that Duncarabian was watching them.